CN220016483U

CN220016483U - Prefabricated torsion tight band type interface

Info

Publication number: CN220016483U
Application number: CN202321010583.7U
Authority: CN
Inventors: 陆忠跃; 陆宋瑞
Original assignee: Guangda Fire Fighting Equipment Nantong Co ltd
Current assignee: Guangda Fire Fighting Equipment Nantong Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-14
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a prefabricated torsion tight-clip type interface, which relates to the technical field of fire hose, and comprises a connector and a connecting sleeve sleeved outside the connector by threads, wherein a locking ring is arranged inside the connecting sleeve, the locking ring is of a trapezoid annular structure with wide front and narrow rear, the rear part of the locking ring is in a fork shape, a sealing ring is embedded on the outer wall of the connector and is provided with a groove, and a limiting protrusion which is clamped with the groove is formed on the inner wall of the locking ring. According to the utility model, through the synergistic effect of the joint, the locking ring and the connecting sleeve, the stability and the reliability of the whole connection installation are fully ensured, and the tightness and the pressure resistance of the connection part are greatly improved finally.

Description

Prefabricated torsion tight band type interface

Technical Field

The utility model relates to the technical field of fire hose, in particular to a prefabricated torsion tight band type interface.

Background

Fire hose (hereinafter referred to simply as hosepipe) is a hose that is used for transporting fire-retardant liquid such as high-pressure water or foam, in the long distance fire rescue process, in order to conveniently carry the water source, often utilizes the water band interface to connect the multistage fire hose. The traditional water band interfaces are mostly bound, namely, the water band is bound on the water band interfaces by using binding iron wires or binding iron hoops, but the fixing mode is not ideal, so that time and labor are wasted, the opportunity of fire fighting and disaster relief is extremely easy to delay, the joint of the water band and the water band interfaces is easy to leak, and even the problem of blasting or slipping occurs.

Related researches on prefabricated water band interfaces in the prior art, such as patent application CN216789532U water band interfaces, can be used for sleeving a water band outside a connector, and the connector is sleeved with a connecting sleeve through external threads, so that the connecting sleeve is matched with the connector in a clamping manner, the water band and the water band interfaces are quickly and conveniently dismounted to a certain extent, the sealing performance of the connecting part is improved, the water band is only mounted under the action of threaded connection and clamping, the stability and the reliability of integral connection are general, so that the sealing performance and the pressure resistance of the connecting part are also general, and because force application components of the threaded connection and the clamping are often the same, the position of the threaded connection is limited, and the acting force of the clamping part is further influenced.

For this reason, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a prefabricated torsion tight-clip type water receiving port so as to solve the technical problems that in the prior art, the water band is installed only by means of the functions of threaded connection and clamping, the stability and the reliability of integral connection installation are general, so that the tightness and the pressure resistance of a connecting part are also general, and because force application parts of the threaded connection and the clamping are often the same parts, the force application parts are limited by the positions of the threaded connection, the acting force of the clamping part is limited, and the tightness and the pressure resistance are further influenced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the prefabricated torsion tight-clip type interface comprises a connector and a connecting sleeve sleeved outside the connector through threads, wherein a locking ring is arranged inside the connecting sleeve, the locking ring is of a trapezoid annular structure with a wide front part and a narrow rear part, the rear part of the locking ring is in a fork shape, a sealing ring is embedded on the outer wall of the connector and is provided with a groove, and a limiting protrusion which is clamped with the groove is formed on the inner wall of the locking ring;

further, the front part of the connecting sleeve is arranged in a protruding mode relative to the front part of the locking ring, an internal thread is formed on the front part of the inner wall of the connecting sleeve, an external thread matched with the internal thread is formed in the middle of the outer wall of the connector, force application grooves for the insertion of external tools are formed in the front part of the outer wall of the connecting sleeve, the force application grooves are of rectangular structures and are uniformly distributed in the circumferential direction, the limiting protrusions are of annular structures and are at least two, the sealing rings are rubber sealing rings, the number of the sealing rings is the same as that of the limiting protrusions, sealing ring grooves which are in one-to-one correspondence with the sealing rings are formed in the outer wall of the connector, the grooves are of annular structures and are in one-to-one interference fit with the limiting protrusions, and the sealing ring grooves and the grooves are in one-to-one correspondence staggered arrangement;

further, the locking ring is the rubber locking ring, a plurality of opening V type grooves backward have been seted up to the rear portion of locking ring, a plurality of V type groove is along circumference evenly distributed and every V type groove all passes all spacing archs along the length direction of locking ring, every spacing arch is all separated into a plurality of cubic portions by V type groove, the adapter sleeve sets up as an organic whole and includes inner circle layer, outer lane layer and is fixed in the strengthening rib between inner circle layer and the outer lane layer, strengthening rib circumference evenly distributed and be equipped with 24 at least.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the connecting sleeve is arranged, the connecting sleeve is in threaded sleeve connection with the outside of the connector, the locking ring with a trapezoid annular structure with a wide front part and a narrow rear part is arranged in the connecting sleeve, and the limiting protrusion on the inner wall of the locking ring is in clamping connection with the groove on the outer wall of the connector, so that the connecting sleeve and the locking ring can act on the connector in a threaded connection and clamping manner respectively, the connecting sleeve is utilized to limit the outside of the locking ring, the limitation of the acting force of the locking ring is effectively avoided, the clamping limiting effect of the locking ring and the connector on the water belt is improved, the tightness and the pressure resistance of the connecting part are improved, and on the basis, the rear part of the locking ring is in fork-shaped matched arrangement, so that the locking ring still has excellent bearing capacity on the water belt when the water pressure is enhanced, and the locking ring can form an internal expansion effect relatively to the connecting sleeve, the stability and the reliability of the connection installation of the connector, the connecting sleeve and the torque force hoop are finally shown, the tightness and the sealing performance of the connecting part are further improved, and the pressure resistance of the connecting ring on the outer wall are further ensured, and the sealing ring is matched with the sealing ring;

2. according to the utility model, the sealing ring grooves and the grooves are arranged in a one-to-one correspondence and staggered manner, so that the corresponding limiting protrusions and the sealing rings are arranged in a one-to-one correspondence and staggered manner, and the limiting protrusions and the sealing rings can act in a staggered manner, so that the sealing property and the pressure resistance of the joint are further improved, each limiting protrusion on the basis is separated into a plurality of block parts by the V-shaped grooves to be matched, the internal expansion effect of the locking ring relative to the connecting sleeve can be further improved, and the sealing property and the pressure resistance of the joint are further ensured;

3. according to the utility model, the arrangement of the force application groove for inserting an external tool at the front part of the outer wall of the connecting sleeve further facilitates the threaded connection between the front part of the inner wall of the connecting sleeve and the middle part of the outer wall of the joint, so that the stability and the reliability of the connection installation of the connecting sleeve and the joint are effectively ensured, and the tightness and the pressure resistance of the joint are further improved;

4. the connecting sleeve is formed by integrally fixing the inner ring layer, the outer ring layer and the reinforcing ribs, the weight of the connecting sleeve is indirectly reduced by the reinforcing ribs, at least 24 reinforcing ribs are uniformly distributed in the circumferential direction, the density of the reinforcing ribs is enhanced, the problem of disconnection of the connecting sleeve after compression expansion can be effectively solved, and the sealing performance and the pressure resistance of the connecting part are further ensured finally.

Drawings

FIG. 1 is a perspective view of the present utility model (with the joint omitted);

FIG. 2 is a perspective view of the locking ring of the present utility model;

FIG. 3 is a top view of the locking ring of the present utility model;

FIG. 4 is a schematic view of the structure of the joint of the present utility model;

FIG. 5 is a schematic view of the seal ring of the present utility model;

FIG. 6 is a schematic view of a connecting sleeve according to the present utility model;

FIG. 7 is a schematic diagram of the working principle of the connecting sleeve of the present utility model;

in the figure: 1. the device comprises a connector, 11, grooves, 12, a sealing ring groove, 13, external threads, 2, a connecting sleeve, 21, a force application groove, 22, internal threads, 23, an inner ring layer, 24, an outer ring layer, 25, reinforcing ribs, 3, a locking ring, 31, a limiting protrusion, 311, a block part, 32, a V-shaped groove, 4 and a sealing ring.

Detailed Description

The following examples are intended to further illustrate the utility model and are not intended to limit the application of the utility model.

Referring to fig. 1 to 7, a prefabricated torsion tight-clip type interface is shown, which includes a connector 1 (the male connector and the female connector of a normal water hose connector are not specifically described herein, but the functions of the connector are not limited, as shown in fig. 4, and one of the connector is taken as an example) and a locking ring 3, two annular grooves 11 are formed on the outer wall of the connector 1 at intervals, the locking ring 3 is a rubber locking ring and has a trapezoid annular structure with a wide front and a narrow rear, two annular limiting protrusions 31 are formed on the inner wall of the locking ring 3, the limiting protrusions 31 are in one-to-one corresponding clamping fit with the grooves 11, a plurality of V-shaped grooves 32 with openings arranged backwards are formed at the rear part of the locking ring 3 in the circumferential direction, each V-shaped groove 32 penetrates through all the limiting protrusions 31 along the length direction of the locking ring 3 and is separated into a plurality of block parts 311 by the V-shaped grooves 32, two sealing ring grooves 12 are also formed on the outer wall of the connector 1 at intervals, and the sealing ring grooves 12 and the grooves 11 are in one-to-one correspondence and are embedded with rubber 4;

further, a connecting sleeve 2 is arranged outside the locking ring 3, the front part of the connecting sleeve 2 is arranged in a protruding mode relative to the front part of the locking ring 3, an internal thread 22 is formed at the front part of the inner wall of the connecting sleeve 2, an external thread 13 is formed at the middle part of the outer wall of the joint 1, the connecting sleeve 2 and the joint 1 are in threaded connection and fit through the internal thread 22 and the external thread 13, a plurality of rectangular force application grooves 21 for inserting external tools are formed at the front part of the outer wall of the connecting sleeve 2, and the force application grooves 21 are uniformly distributed along the circumferential direction;

further, the connecting sleeve 2 comprises an inner ring layer 23, reinforcing ribs 25 and an outer ring layer 24 which are integrally fixed from inside to outside, and the reinforcing ribs 25 are uniformly distributed in the circumferential direction and at least provided with 24 reinforcing ribs.

The working principle and the working flow of the utility model are as follows:

a water belt (not shown) passes through the locking ring 3 and is sleeved on the joint 1, the water belt is pressed between the limiting protrusion 31 on the locking ring 3 and the groove 11 on the connecting sleeve 2, and finally, the connecting sleeve 32 is connected with the joint 1 in a threaded manner, so that the water belt is installed; in addition, when the water pressure that the water pipe bore is strengthened, the fork structure at locking ring 3 rear portion can form interior expanding effect relatively adapter sleeve 2, makes locking ring 3 rear portion closely support adapter sleeve 2 inner wall to fully guarantee the stability and the reliability that connect 1, adapter sleeve 2, locking ring 3 and hosepipe connection were installed.

In the whole process, the high-density reinforcing ribs 25 can effectively solve the problem of disconnection of the connecting sleeve 2 after compression expansion, and finally, the tightness and pressure resistance of the connecting part are further ensured; in addition, the thickness of the inner ring layer 23 can be increased to further improve the bearing capacity of the connecting sleeve 2 and improve the connection and installation stability of the connecting sleeve 2.

Claims

1. The utility model provides a prefabricated torsion lock ring formula grafting mouth, includes connects, the adapter sleeve that the screw cup joints outside the joint, its characterized in that, the adapter sleeve is inside to be provided with the locking ring, the locking ring is wide in front and narrow trapezoidal annular structure and rear portion is the fork-shaped, inlay on the joint outer wall and be equipped with the sealing washer and be formed with the recess, be formed with the spacing arch with recess looks joint on the locking ring inner wall.

2. The prefabricated torsion tight-clip type interface according to claim 1, wherein the limiting protrusions are of an annular structure and are at least two, and the grooves are of an annular structure and are in interference fit with the limiting protrusions in a one-to-one correspondence manner.

3. The prefabricated torsion tight-fitting type interface according to claim 2, wherein a plurality of V-shaped grooves with rearward openings are formed in the rear portion of the locking ring, the V-shaped grooves are uniformly distributed in the circumferential direction, each V-shaped groove penetrates through all limiting protrusions in the length direction of the locking ring, and each limiting protrusion is divided into a plurality of block portions by the V-shaped grooves.

4. The prefabricated torsion tight-clip type interface according to claim 2, wherein the number of the sealing rings is the same as the number of the limiting protrusions, sealing ring grooves which are in one-to-one correspondence with the sealing rings are formed on the outer wall of the joint, and the sealing ring grooves and the grooves are in one-to-one correspondence with each other in a staggered manner.

5. The prefabricated torque tight-fitting type connector as claimed in claim 1, wherein the front portion of the inner wall of the connecting sleeve is formed with internal threads, and the middle portion of the outer wall of the connector is formed with external threads matched with the internal threads.

6. The prefabricated torsion tight-fitting type interface according to claim 5, wherein a force application groove for an external tool to be inserted is formed in the front portion of the outer wall of the connecting sleeve, and the force application groove is of a rectangular structure and is uniformly distributed in a plurality of circumferential directions.

7. The prefabricated torsional band type interface of claim 1, wherein the front portion of the connecting sleeve is protruded forward with respect to the front portion of the locking ring.

8. The prefabricated torsion tight-fitting type interface according to claim 1, wherein the sealing ring is a rubber sealing ring, and the locking ring is a rubber locking ring.

9. The prefabricated torsion tight-type interface according to claim 1, wherein the connecting sleeve is integrally arranged and comprises an inner ring layer, an outer ring layer and reinforcing ribs fixed between the inner ring layer and the outer ring layer, and the reinforcing ribs are uniformly distributed in the circumferential direction and are at least 24.